Complex sentence: Like iron (II) hydroxide, cobalt (II) hydroxide is primarily a basic hydroxide, although it does form the weakly acidic reddish hexaaquacobalt (II) ion, (Co (H 2 O) 6) 2 +, in acidic aqueous solutions.
Split into simpler sentences: Like iron (II) hydroxide, cobalt (II) hydroxide is a basic hydroxide. It form the weakly acidic reddish hexaaquacobalt (II) ion, (Co (H 2 O) 6) 2 +, in acidic aqueous solutions.