What would be observed by each filtrate?

Question

Some distilled water was added to separate samples of (i) copper (II) nitrate and (ii) copper (II) carbonate and the mixtures stirred and filtered. New drops of sodium hydroxide solution were added to each filtrate.
What would you expect to observe with EACH filtrate?

Answer 1

Cu(NO3)2 will yield more ppt as it is a solble salt unlike CuCO3.