Does "soluble in alcohol" imply ethanol?
The term "alcohol", without modification (i.e. "propyl" alcohol, etc.), in the context of something like a solubility table, almost always refers to ethanol (as it does in your sources for copper (II) acetate solubility).  

Note, for example, that both pubchem and Wikipedia list alcohol as a synonym for ethanol. This is not the case for other alcohols like isopropanol.