URL MASKING IN CPANEL

I have two linux web hosting server i want that the content of a website will be visible in another website without changing the url For example : one website url is [login to view URL] and another website is [login to view URL] So i want to display the content of [login to view URL] on the subdomain of [login to view URL] like if user open [login to view URL] so the [login to view URL] content should be display and also url is [login to view URL] its like url masking, source url is different from destination website we will not provide any details you have to do all the task using team viewer only