Ions that exist in both the reactant and product side of the equation are referred to as spectator ions. Overall, they do not partake in the reaction. If they are present on both sides of the equation, you can cancel them out.
Greg rusedski is not a fan on his side but answer to village in the future will have to go to a job 6y6666666 and the other two 5 to be 56th 6out and 6 to 56 to 5