Which one of the following ionic compounds would be insoluble in water?
A. Mg(OH)2
B. none of the compounds are insoluble.
C. NH4OH
D. LiOH
Please help ASAP!!! :(
all oxides are insoluble except those of Group IA metals. most sulfides S2- are insoluble, with the exceptions of Group I, II (slightly soluble) metals and ammonium - NH4+