The Asterisk is a dot in most chemistry manuals. The Copper has
a charge of +2 in the formula and the Cyanide (CN-) a -1. Cupric is
for the higher charge of copper (+2), cuprous is for the lower
charge (+1).
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CuCl2 if it is Cupric Chloride Anhydrous
CuCl2.2H2O if it is Cupric Chloride Dihydrate/Dehydrate.
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Cupric sulfate and chloride are blue; also cupric carbonate is
blue but not soluble in water.