4.6 understand the general rules for predicting solubility of salts in water

4.6 •all common sodium potassium and ammonium salts are soluble 

      •all nitrates are soluble

      •all common chlorides are soluble, except for silver

      •all common sulphates, except for barium and calcium are soluble

      •all common carbonates are insoluble, except for the listed three