Copper salts are generally soluble in polar solvents like water but not in nonpolar solvents like oil. However, certain copper salts can form complexes or compounds that might exhibit some solubility in organic solvents under specific conditions.
One example of a copper salt that may have some solubility in organic solvents is copper(II) stearate, which is a fatty acid salt of copper. It can dissolve somewhat in nonpolar solvents due to the long