This may be the dumbest question yet. Can copper be electroplated with nickel silver?  (Tom Kurtis)

Many makers like Montague nickel plated over brass. Nickel silver itself is a form of brass with a high rationale.  (Doug Easton)

Oops got away from me. The short answer is you can nickel plate over copper. Nickel silver is a copper nickel zinc alloy. I don't think you can plate with it but the looks of nickel plated copper are nice. High quality electronics use nickel plated copper wires.  (Doug Easton)