Here's how to write the balanced single replacement equation for Iron and Copper(II) chloride:

1. Identify the reactants and products:

* Reactants: Iron (Fe) and Copper(II) chloride (CuCl₂)

* Products: Copper (Cu) and Iron(II) chloride (FeCl₂)

2. Write the unbalanced equation:

Fe + CuCl₂ → Cu + FeCl₂

3. Balance the equation:

The equation is already balanced. Each side of the equation has one iron atom, one copper atom, and two chlorine atoms.

4. The balanced single replacement equation:

Fe + CuCl₂ → Cu + FeCl₂