Nitrate (NO3-)
Soluble
Acetate (C2H3O2)
Soluble
Group 1 elements
Soluble
Sulfate (SO4)
Soluble except when paired with Ag / Pb / Hg2 / Ca / Sr / Ba
Ammonium (NH4^+)
Soluble
Group 17: Cl + Br + I
Soluble except when paired with Ag / Pb / Hg2
OH^-
Slightly soluble = Insoluble in precipitation reactions except when containing cation in alkali metal
Carbonate (CO3)
Slightly soluble = Insoluble in precipitation reactions; Except when containing cation in alkali metal
Phophate (PO4)
Slightly soluble = Insoluble in precipitation reactions; Except when containing cation in alkali metal
Chromate (CrO4)
Slightly soluble = Insoluble in precipitation reactions; Except when containing cation in alkali metal
Sulfide (S^2-)
Slightly soluble = Insoluble in precipitation reactions; Except when containing cation in alkali metal