Both domains are on cloudflare hosting my site on wordpress so i should point the new url by adding cname records on cloudflare and what about the old domain. should i delete the cname records in cloudflare.
You can do that 
Both domains are on cloudflare hosting my site on wordpress so i should point the new url by adding cname records on cloudflare and what about the old domain. should i delete the cname records in cloudflare.
You can do that