Here are the steps to successfully change the Homepage URL in Wordpress. Go to the function.php file in your WP theme and use this code:

function redirect_homepage() {
   if( ! is_home() && ! is_front_page() )
   return;
   wp_redirect( 'http://siteurl.com/news', 301 );
   exit;
}
add_action( 'template_redirect', 'redirect_homepage' );

BY Best Interview Question ON 29 Feb 2020