2 ISP with 1 Cisco Router

I have a router with 2 ISP they are different isp. ISP 1 is connected to my router via serial cable, ISP 2 is connected via DSL(ethernet). i have 2 network assignment ip block 192.168.1.x/24 should use ISP 1 and ip block 192.168.2.x /24 should use ISP 2 and im using EIGRP. how can i configure my router using this 2 different ISP