Sort the posts order in page

post order

add_filter('pre_get_posts', 'pre_get_posts_hook' );

function pre_get_posts_hook($wp_query) {
    if (is_page())
    {
        $wp_query->set( 'orderby', 'title' );
        $wp_query->set( 'order', 'ASC' );
        return $wp_query;
    }
}