Solubility Rules
Group IA soluble
NH4+ soluble
C2H3O2- soluble
NO3- soluble
Cl-,Br-, and I- soluble Exceptions Ag+, Pb2+, Hg22+
SO42- soluble Exceptions Ca2+,Sr2+,Ba2+,Pb2+
CO32-, PO43-, CrO42- insoluble Exceptions group IA and NH4+
S2- insoluble group Exceptions IA,IIA, and NH4+
OH- insoluble group Exceptions IA, Ca2+, Ba2+,Sr2+