A 10 kg iron ball rolling at 2 m/s on a horizontal surface strikes a 1 kg wood ball of the same size which was at rest. What is the veloicty of each

A 10 kg iron ball rolling at 2 m/s on a horizontal surface strikes a 1 kg wood ball of the same size which was at rest. What is the veloicty of each ball after the collision? Assuming KE was conserved how much of the KE of the iron ball was transferred to the wooden ball?