Paste this code for where you want to show latest post.
<?php
$the_query = new WP_Query( 'posts_per_page=5' );
while ($the_query -> have_posts()) : $the_query -> the_post();
?>
<div><a href="<?php the_permalink() ?>"><?php the_title(); ?></a></div>
<?php
endwhile;
wp_reset_postdata();
?>
