Vidisha placed a copper wire in a silver nitrate solution, as shown in the figure.

Which of the following represents the correct observation?

The Colour of the solution became silver, and there was no change in the color of the copper wire.

The color of the solution turned blue, and a precipitate of solid silver was obtained.

There was no change in the color of the solution or the color of the wire.

The Colour of the solution turned green, and the copper wire turned blue.