Soluble , except for: AgCl, PbCl2, Hg 2Cl2, AgBr, PbBr2, Hg 2Br2, AgI, PbI2, Hg 2I2, which are insoluble Soluble , except for: CaSO 4, Ag 2SO 4, BaSO 4, HgSO 4, PbSO 4 which are insoluble Insoluble always (except with soluble cations) Insoluble , except for: • Ba(OH)2 which is soluble, and • Ca(OH)2 which is slightly soluble No