we have constructed a little network with 2 PCs that can ping 8.8.8.8 with ICMP protocol. If we wanted to block one of the PCs from accessing 8.8.8.8 on the router using access lists, what commands would we use?

We have constructed a little network with 2 PCs that can ping 8.8.8.8 with ICMP protocol. If we wanted to block one of the PCs from accessing 8.8.8.8 on the router using access lists, what commands would we use?