So if it is not soluble, how is it going to react?
#5
snorkack
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A possible reaction might be:
Cu(OH)2+2NaHCO3=CuCO3+Na2CO3+2H2O
The fact that Cu(OH)2 is insoluble would slow down the reaction. But since CuCO3 is also insoluble, the insolubility of Cu(OH)2 would at least not force the reaction to the left.