Complex sentence: Generally, the water solubilitity of uric acid and its alkali metal and alkaline earth is rather low and all exhibit greater solubility in hot water than cold, allowing for easy recrystallization.
Split into simpler sentences: Generally, the water solubilitity of uric acid and its alkali metal and alkaline earth salts is rather low. All these salts exhibit greater solubility in hot water than cold, allowing for easy recrystallization.