One possible Word answer: Keep your cover as separate file. This also helps when you go to print if you want to print the cover on a different paper stock. After this is done, viewing individual pages as if they were bound in a book should be relatively easy. My preference would be to get to the zoom dialog box. I like to click the little percentage view number at the bottom right of my Word window. In that box, you can experiment with different percentage views until you find the one that will only allow two pages to appear at once. On my screen, it's 60%.

Now for the news you probably won't like. Word is primarily for letters and reports. When you get into booklets, Publisher has more options that allow you better flexibility associated with these types of issues. For instance, Publisher would have asked you up front if you want to view page 1 as a cover or as an internal page and then displayed that project to you that way until you say otherwise. If you find that you are making booklets more often, it may be worth learning Publisher.