WP Query Pagination

Hi,

I’m trying to add pagination to a wp_query loop but I can’t get it to work, if anyone can help it’ll be much appreciated! Here’s my code:

<?php
            $args=array(
			'post_type' => 'post',
			'post_status' => 'publish',
			'posts_per_page' => 2,
			);

			$my_query = null;
			$my_query = new WP_Query($args);
			if( $my_query->have_posts() ) { ?>
			<?php while ($my_query->have_posts()) : $my_query->the_post(); ?>
				<h3 class="category"><?php the_category(', ') ?></h3>
				<div class="blogContainer">
					<div class="blogpiece">
					<div class="titleMeta"><div class="metaDeets">by <?php the_author(); ?> | <?php the_time('g:i') ?> | <?php the_time('d/m/Y') ?></div><h6><?php the_title(); ?></h6></div>
					<div class="mainText">
						<?php the_excerpt(); ?>
					</div>
					<div class="readMorebox"><a href="<?php echo get_permalink(); ?>">? Read more</a></div>
					</div>
				</div>
			<?php endwhile; ?>
									<?php posts_nav_link(' — ', __('? Newer Posts'), __('Older Posts ?')); ?>

			<?php }
			wp_reset_query();
			?>