When a piece of copper wire is placed in a colorless solution of silver nitrate, the surface of the wire becomes coated with a shiny silvery material, and the copper begins to form aqueous copper(II) nitrate, which is blue. Which of the following statements regarding this reaction is correct?
The copper(II) is being oxidized.
The silver ion is being oxidized.
The nitrate ion is being reduced.
The solution will become more blue as the reaction progresses.
The reaction described is nonspontaneous.