If your site has already been launched, and your page indicates that the latest changes have been published, the changes should be viewable immediately on the site. Navigate to your page in a web browser. If you don't see your changes, click Refresh.
If you're building a site that has not yet launched, your pages are published to a Staging URL. Staging URLs are used to preview CQ pages in a web browser prior to launch. If your site is under the "University of Cincinnati" node, the URL follow this naming convention:
Note that you must use the name of the site, as opposed to the title. If you're unsure of this, there is a Name column in the Websites pane that will display this for you.