A process for preparing an alkoxylation catalyst comprising: admixing a volatile dispersing medium consisting essentially of (i) media having a boiling point less than 120°C and consisting essentially of one or more branched or straight chain alcohols, volatile esters, volatile ethers selected from the group consisting of dimethyl ether, diethyl ether, dimethoxy ethane, diethoxymethane, and isopropyl ether, or volatile aldehydes and ketones, or (ii) media having a boiling point less than 160°C and consisting essentially of one or more branched or straight chain alcohols selected from methanol, ethanol, 1-propanol, 2-propanol, 2-methyl-1-propanol, 2-methyl-2-propanol, 1-butanol, 2,3-dimethyl-1-butanol, 3,3-dimethyl-1-butanol, 2-ethyl-1-butanol, 2-methyl-1-butanol, 3-methyl-1-butanol, 2-butanol, 2-methyl-2-butanol, 2,3-dimethyl-2-butanol, 3,3-dimethyl-2-butanol, 3-methyl-2-butanol, 2-methyl-1-pentanol, 3-methyl-1-pentanol, 4-methyl-1-pentanol, 2-pentanol, 2,4-dimethyl-2-pentanol, 2-methyl-2-pentanol, 3-methyl-2-pentanol, 4-methyl-2-pentanol, 3-pentanol, 2,4,4-trimethyl-2-pentanol, 2,2-dimethyl-3-pentanol, 2,3-dimethyl-3-pentanol, 2,4-dimethyl-3-pentanol, 3-ethyl-3-pentanol, 3-ethyl-2-methyl-3-pentanol, 2-methyl-3-pentanol, 2,3,4-trimethyl-3-pentanol, 1-pentanol, 1-hexanol, 2-hexanol, 2-methyl-2-hexanol, 5-methyl-2-hexanol, 3-hexanol, and 3-methyl-3-hexanol, such that other components present in the volatile dispersing medium have a boiling point above 160°C and are present in an amount of less than 10% by weight of the total weight of the dispersing medium; a calcium-containing compound selected from the group consisting of calcium hydride, calcium acetate, calcium oxalate, calcium oxide, calcium hydroxide, calcium lactate, calcium alkoxide, and mixtures thereof; and a carboxylic acid or anhydride having from 4 to 15 carbon atoms, with the mole ratio of calcium to said carboxylic acid or anhydride being from 15:1 to 1:1, to produce a calcium-containing composition comprising the dispersion medium. (i) media having a boiling point less than 120°C and consisting essentially of one or more branched or straight chain alcohols, volatile esters, volatile ethers selected from the group consisting of dimethyl ether, diethyl ether, dimethoxy ethane, diethoxymethane, and isopropyl ether, or volatile aldehydes and ketones, or (ii) media having a boiling point less than 160°C and consisting essentially of one or more branched or straight chain alcohols selected from methanol, ethanol, 1-propanol, 2-propanol, 2-methyl-1-propanol, 2-methyl-2-propanol, 1-butanol, 2,3-dimethyl-1-butanol, 3,3-dimethyl-1-butanol, 2-ethyl-1-butanol, 2-methyl-1-butanol, 3-methyl-1-butanol, 2-butanol, 2-methyl-2-butanol, 2,3-dimethyl-2-butanol, 3,3-dimethyl-2-butanol, 3-methyl-2-butanol, 2-methyl-1-pentanol, 3-methyl-1-pentanol, 4-methyl-1-pentanol, 2-pentanol, 2,4-dimethyl-2-pentanol, 2-methyl-2-pentanol, 3-methyl-2-pentanol, 4-methyl-2-pentanol, 3-pentanol, 2,4,4-trimethyl-2-pentanol, 2,2-dimethyl-3-pentanol, 2,3-dimethyl-3-pentanol, 2,4-dimethyl-3-pentanol, 3-ethyl-3-pentanol, 3-ethyl-2-methyl-3-pentanol, 2-methyl-3-pentanol, 2,3,4-trimethyl-3-pentanol, 1-pentanol, 1-hexanol, 2-hexanol, 2-methyl-2-hexanol, 5-methyl-2-hexanol, 3-hexanol, and 3-methyl-3-hexanol, such that other components present in the volatile dispersing medium have a boiling point above 160°C and are present in an amount of less than 10% by weight of the total weight of the dispersing medium; a calcium-containing compound selected from the group consisting of calcium hydride, calcium acetate, calcium oxalate, calcium oxide, calcium hydroxide, calcium lactate, calcium alkoxide, and mixtures thereof; and a carboxylic acid or anhydride having from 4 to 15 carbon atoms, with the mole ratio of calcium to said carboxylic acid or anhydride being from 15:1 to 1:1,