Hide/Show Widget allows you to display or hide widget on perticular pages, posts and custom posts as well posts categories.
This plugin will add select option to each and every widget go to widget setting and update option according to your requirement.
Change your sidebar content for different pages, posts, custom posts, and categories. Avoid creating multiple sidebars and duplicating widgets by option to each widget in the admin which will either show or hide the widgets on every site page. Great for avoiding extra coding and keeping your sidebars clean.Source